/// <summary>
/// The background worker_ do work.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
AppUtil.NameCurrentThread(this.GetType().Name);
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
while (this.State == MonitorState.Running)
{
int canProcessCount = this.BatchProcessSize - this._processQueue.Count;
if (canProcessCount > this._pendingQueue.Count)
{
canProcessCount = this._pendingQueue.Count;
}
if (canProcessCount > 0)
{
Console.WriteLine("Starting " + canProcessCount + " requests...");
var itemList = this._pendingQueue.Dequeue(canProcessCount);
foreach (FareMonitorRequest request in itemList)
{
var args = new FareBrowserRequestArg(request);
this.OnRequestStarting(args);
if (args.Cancel)
{
continue;
}
request.Start(); // Start the request and move it to the appropriate queue
this._pendingQueue.Remove(request);
this._processQueue.Enqueue(request);
}
}
Thread.Sleep(500);
}
}
/// <summary>
/// The on request starting.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
protected virtual void OnRequestStarting(FareBrowserRequestArg args)
{
this._logger.Debug("Starting request for journey: " + args.Request.ShortDetail);
if (this.RequestStarting != null)
{
this.RequestStarting(this, args);
}
var request = args.Request;
if (request.BrowserControl == null)
{
request.Initialize();
}
else
{
if (request.BrowserControl.RequestState == DataRequestState.Pending)
{
// Assign the event handler for completed request when the request is starting
JourneyBrowserDelegate _requestCompletedHandler = null;
_requestCompletedHandler = (b, j) =>
{
try
{
if (this.State != MonitorState.Running)
{
return;
}
lock (this._lockObj)
{
this.OnRequestCompleted(new FareBrowserRequestArg(request));
this.FinalizeRequest(request);
}
}
finally
{
request.BrowserControl.GetJourneyCompleted -= _requestCompletedHandler;
}
};
request.BrowserControl.GetJourneyCompleted += _requestCompletedHandler;
}
}
}
/// <summary>
/// The on request stopping.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
protected virtual void OnRequestStopping(FareBrowserRequestArg args)
{
this._logger.Debug("Stopping request: " + args.Request.ShortDetail);
if (this.RequestStopping != null)
{
this.RequestStopping(this, args);
}
this.FinalizeRequest(args.Request);
}
/// <summary>
/// The stop.
/// </summary>
/// <param name="request">
/// The request.
/// </param>
public void Stop(FareMonitorRequest request)
{
this._logger.Info("Stopping " + this.GetType().Name);
if (this.RequestStopping != null)
{
FareBrowserRequestArg args = new FareBrowserRequestArg(request);
this.OnRequestStopping(args);
if (args.Cancel)
{
return;
}
}
request.Stop();
}
/// <summary>
/// The on request completed.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
protected virtual void OnRequestCompleted(FareBrowserRequestArg args)
{
this._logger.Info("Fare request completed: " + args.Request.ShortDetail);
if (args.Request.BrowserControl != null && args.Request.BrowserControl.RequestState == DataRequestState.NoData)
{
this._logger.Info("No data was found!");
}
if (this.RequestCompleted != null)
{
this.RequestCompleted(this, args);
}
}
/// <summary>
/// The live fare monitor_ on request completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void LiveFareMonitor_OnRequestCompleted(FareRequestMonitor sender, FareBrowserRequestArg args)
{
var request = args.Request;
var browser = args.Request.BrowserControl;
if (browser == null)
{
return;
}
lock (this._notifier)
{
try
{
string travelPeriodStr = StringUtil.GetPeriodString(request.DepartureDate, request.ReturnDate);
if (browser.RequestState == DataRequestState.NoData)
{
string header = travelPeriodStr + Environment.NewLine + "From: " + request.Departure + Environment.NewLine + "To: "
+ request.Destination;
this._notifier.Show(
"No AirportData",
"There is no flight data for this travel period" + Environment.NewLine + header,
null,
7000,
NotificationType.Warning,
true);
return;
}
var route = browser.LastRetrievedRoute;
if (route == null || route.Journeys.Count < 1 || route.Journeys[0].Data.Count < 1)
{
return;
}
var curJourney = route.Journeys[0];
// Live Monitor: Store the current journey data
Journey oldJourney = this._currentMonitorJourneys.FirstOrDefault(j => j.IsSameTrip(curJourney));
var flightData = curJourney.Data[0].Flights;
var flightItems = new FlightDisplayItemsCollection();
if (oldJourney == null)
{
flightItems.AddRange(flightData, FlightStatus.New);
}
else
{
var oldFlights = oldJourney.Data[0].Flights;
// Compare each flight
foreach (Flight currentFlight in flightData)
{
Flight comparableFlight = oldFlights.FirstOrDefault(f => f.IsSameFlight(currentFlight));
if (comparableFlight == null)
{
// New flight was found (or first appearance)
flightItems.Add(currentFlight, FlightStatus.New, 0);
}
else
{
double priceDiff = currentFlight.Price - comparableFlight.Price;
if (Math.Abs(priceDiff) > 1)
{
// Minimum price change is 1 EUR
if ((priceDiff > 0 && comparableFlight.Price < this.PriceLimit)
// If price was increased and old price is still within price limit
|| currentFlight.Price <= this.PriceLimit)
{
// or prices has been decreased enough to the limit
flightItems.Add(
currentFlight,
priceDiff > 0 ? FlightStatus.PriceIncreased : FlightStatus.PriceDecreased,
comparableFlight.Price);
}
}
}
}
}
// There are changes in the list of flights
if (flightItems.Count > 0)
{
if (this._fareStorage != null)
{
try
{
this._fareStorage.SaveLiveFare(flightItems.Select(i => i.FlightData));
}
catch (Exception ex)
{
AppContext.Logger.ErrorFormat("Could not save live data [{0}]: {1}", travelPeriodStr, ex);
this._notifier.Show(
travelPeriodStr,
"Could not save live data: " + ex.Message,
null,
5000,
NotificationType.Error,
true);
}
}
string currencyCode = curJourney.Data[0].Currency;
string currencySymbol = AppContext.MonitorEnvironment.CurrencyProvider.GetCurrencyInfo(currencyCode).Symbol;
string header = travelPeriodStr + " (Currency: " + currencyCode
+ (currencySymbol == currencyCode ? null : " - " + currencySymbol) + ")" + Environment.NewLine + "From: "
+ request.Departure + Environment.NewLine + "To: " + request.Destination;
this._notifier.Show("Fare data was updated", header, flightItems, 5000, NotificationType.Info, true);
}
if (oldJourney != null)
{
this._currentMonitorJourneys.Remove(oldJourney);
}
this._currentMonitorJourneys.Add(curJourney);
}
finally
{
// Repeat the process
if (this.State == MonitorState.Running && browser.RequestState != DataRequestState.NoData)
{
args.Request.Reset();
#if !DEBUG // Put some delay if we are not running DEBUG mode
var interval = TimeSpan.FromMinutes(1 + PendingRequests.Count);
System.Threading.Thread.Sleep(interval);
#endif
this.Enqueue(args.Request);
}
}
}
}
/// <summary>
/// The fare export monitor_ on request completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void FareExportMonitor_OnRequestCompleted(FareRequestMonitor sender, FareBrowserRequestArg args)
{
var browser = args.Request.BrowserControl;
if (browser == null)
{
this._logger.Warn("There is no browser control associated with the request");
return;
}
TravelRoute route = browser.LastRetrievedRoute;
lock (this._lockObj)
{
var pendingCount = sender.PendingRequests.Count;
var processCount = sender.ProcessingRequests.Count;
this._logger.DebugFormat("There are {0} pending requests, {1} processing requests", pendingCount, processCount);
bool isLastRequest = pendingCount == 0 && processCount == 0;
if (browser.RequestState == DataRequestState.Ok && route != null && route.Journeys.Count > 0)
{
this._cachedRoutes.Add(route); // Cache journeys
if (this._cachedRoutes.Count >= CACHE_AMOUNT || isLastRequest)
{
// Export journeys to file to reduce memory load
this.FlushCache();
}
}
if (isLastRequest)
{
this._logger.Debug("There is no more active request for the monitor");
this.FinalizeData();
}
}
}
/// <summary>
/// The fare monitor_ request starting.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void FareMonitor_RequestStarting(FareRequestMonitor sender, FareBrowserRequestArg args)
{
this.InvokeActionIfNeeded(
new Action(
() =>
{
FareMonitorRequest request = args.Request;
request.Initialize(); // Initialize request here: So that the control is created on the UI thread
var browserTabPage =
new TabPage(
request.DepartureDate.ToString(NamingRule.DATE_FORMAT)
+ (request.IsRoundTrip ? " - " + request.ReturnDate.ToString(NamingRule.DATE_FORMAT) : string.Empty));
var browser = request.BrowserControl as Control;
if (browser != null)
{
browser.Dock = DockStyle.Fill;
browserTabPage.Controls.Add(browser);
browserTabPage.BackColor = this.BrowserStartingColor;
browserTabPage.ImageIndex = 0;
browserTabPage.Tag = request;
browserTabPage.ToolTipText = request.Detail;
this.fareBrowserTabs.TabPages.Add(browserTabPage);
}
this.SetStatus(request);
}));
}
/// <summary>
/// The fare monitor_ request completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void FareMonitor_RequestCompleted(FareRequestMonitor sender, FareBrowserRequestArg args)
{
// This method should be triggered both before stopping the request or after the request is completed
var browser = args.Request.BrowserControl; // The browser might be nulled
this.InvokeActionIfNeeded(
new Action(
() =>
{
SwitchButton senderBtn = null;
var monType = sender.GetType();
var resultRoute = browser == null ? null : browser.LastRetrievedRoute;
if (monType == typeof(FareRequestMonitor))
{
// Browser can be nulled if the request was aborted before it is event started
if (browser != null && resultRoute != null && !this.btnSummary.Enabled)
{
this.SetDataProcessor(true);
}
senderBtn = this.btnShowFare;
}
else if (monType == typeof(FareExportMonitor))
{
senderBtn = this.btnGetFareAndSave;
}
this.IncreaseProgress();
this.CheckProgress();
if (!this.loadProgress.Visible && senderBtn != null)
{
var senderMonitor = senderBtn.Tag as FareRequestMonitor;
if (senderMonitor == sender && senderBtn.IsSecondState)
{
senderBtn.IsSecondState = false; // Reset the button after everything is done!
}
}
}));
}
/// <summary>
/// The close and export_ request completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void CloseAndExport_RequestCompleted(FareRequestMonitor sender, FareBrowserRequestArg args)
{
this.SafeInvoke(
new Action(
() =>
{
this.FareMonitor_RequestCompleted(sender, args);
var browserControl = args.Request.BrowserControl as WebFareBrowserControl;
var tabPageObj = browserControl.Parent as TabPage;
if (tabPageObj != null)
{
this.fareBrowserTabs.TabPages.Remove(tabPageObj);
tabPageObj.Dispose();
}
if (sender.State == MonitorState.Stopped && this.chkExitAfterDoneStrip.ControlItem.Checked)
{
Environment.Exit(0);
}
}));
}
/// <summary>
/// The show fare_ request completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void ShowFare_RequestCompleted(FareRequestMonitor sender, FareBrowserRequestArg args)
{
this.InvokeActionIfNeeded(
new Action(
() =>
{
var fareBrowserObj = args.Request.BrowserControl as WebFareBrowserControl;
if (fareBrowserObj.IsDestructed() || fareBrowserObj.LastRequestInitiatedDate != args.RequestInitiatedDate
|| fareBrowserObj.RequestState == DataRequestState.Pending)
{
return;
}
var browserTabPage = fareBrowserObj.Parent as TabPage;
if (browserTabPage == null)
{
return;
}
if (fareBrowserObj.RequestState == DataRequestState.Pending || fareBrowserObj.RequestState == DataRequestState.Requested)
{
browserTabPage.BackColor = this.BrowserStartingColor;
}
else if (fareBrowserObj.RequestState == DataRequestState.Ok)
{
browserTabPage.BackColor = this.BrowserSuccessColor;
}
else
{
browserTabPage.BackColor = this.BrowserFailedColor;
}
if (this.chkAutoFocusTabStrip.ControlItem.Checked)
{
this.fareBrowserTabs.SelectedTab = browserTabPage;
}
this.FareMonitor_RequestCompleted(sender, args);
}));
}
/// <summary>
/// The live fare_ request starting.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void LiveFare_RequestStarting(FareRequestMonitor sender, FareBrowserRequestArg args)
{
args.Request.Initialize();
var monitor = sender as LiveFareMonitor;
monitor.PriceLimit = (double)this.numPriceLimit.Value;
}